{"id":36164,"date":"2019-10-31T22:09:56","date_gmt":"2019-10-31T19:09:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-zavisimostyah-k-npm-paketu-s-ustanovshhikom-purescript-vyyavleny-vredonosnye-izmeneniya\/"},"modified":"2019-10-31T22:09:56","modified_gmt":"2019-10-31T19:09:56","slug":"v-zavisimostyah-k-npm-paketu-s-ustanovshhikom-purescript-vyyavleny-vredonosnye-izmeneniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/v-zavisimostyah-k-npm-paketu-s-ustanovshhikom-purescript-vyyavleny-vredonosnye-izmeneniya","title":{"rendered":"W zale\u017cno\u015bci od pakietu npm z instalatorem PureScript wykryto z\u0142o\u015bliwe zmiany","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>W zale\u017cno\u015bci od pakietu npm z instalatorem PureScript <noindex><a rel=\"nofollow\" href=\"https:\/\/harry.garrood.me\/blog\/malicious-code-in-purescript-npm-installer\/\">wykryto<\/a><\/noindex> z\u0142o\u015bliwy kod, kt\u00f3ry pojawia si\u0119 podczas pr\u00f3by instalacji pakietu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.npmjs.com\/package\/purescript\">purescript<\/a><\/noindex>. Z\u0142o\u015bliwy kod zosta\u0142 wbudowany przez zale\u017cno\u015bci <noindex><a rel=\"nofollow\" href=\"https:\/\/npmjs.com\/package\/load-from-cwd-or-npm\">load-from-cwd-or-npm<\/a><\/noindex> i <noindex><a rel=\"nofollow\" href=\"https:\/\/npmjs.com\/package\/rate-map\">rate-map<\/a><\/noindex>. Co ciekawe, opiek\u0105 nad pakietami z tymi zale\u017cno\u015bciami zajmuje si\u0119 pierwotny autor pakietu npm z instalatorem PureScript, kt\u00f3ry do niedawna zajmowa\u0142 si\u0119 tym pakietem npm, ale oko\u0142o miesi\u0105ca temu pakiet przeszed\u0142 pod inn\u0105 opiek\u0119. <\/p>\n<p> Problem zosta\u0142 odkryty przez jednego z nowych g\u0142\u00f3wnych opiekun\u00f3w pakietu, kt\u00f3rym prawa do opieki zosta\u0142y przekazane po wielu sporach i nieprzyjemnych dyskusjach z pierwotnym autorem pakietu npm purescript. Nowi g\u0142\u00f3wni opiekunowie odpowiadaj\u0105 za kompilator PureScript i nalegali, \u017ce pakiet npm z jego instalatorem powinien by\u0107 obs\u0142ugiwany przez tych samych opiekun\u00f3w, a nie obce osoby. Autor pakietu npm z instalatorem PureScript d\u0142ugo si\u0119 nie zgadza\u0142, ale ostatecznie ust\u0105pi\u0142 i przekaza\u0142 dost\u0119p do repozytorium. Przy tym niekt\u00f3re zale\u017cno\u015bci pozosta\u0142y pod jego zarz\u0105dem.<\/p>\n<p>W zesz\u0142ym tygodniu wydano wersj\u0119 kompilatora PureScript 0.13.2 i<br \/>\nNowi moderatorzy przygotowali odpowiedni\u0105 aktualizacj\u0119 pakietu npm z instalatorem, w zale\u017cno\u015bciach kt\u00f3rego zidentyfikowano z\u0142o\u015bliwy kod. Usuni\u0119ty z pozycji moderatora autor pakietu npm z instalatorem PureScript zg\u0142osi\u0142, \u017ce jego konto zosta\u0142o skompromitowane przez nieznanych atakuj\u0105cych. Niemniej jednak, w obecnej formie dzia\u0142ania z\u0142o\u015bliwego kodu ogranicza\u0142y si\u0119 jedynie do sabotowania instalacji pakietu, kt\u00f3ry sta\u0142 si\u0119 pierwsz\u0105 wersj\u0105 od nowych moderator\u00f3w. Z\u0142o\u015bliwe dzia\u0142ania polega\u0142y na tworzeniu p\u0119tli z komunikatem o b\u0142\u0119dzie przy pr\u00f3bie zainstalowania pakietu za pomoc\u0105 polecenia &#171;npm i -g purescript&#187; bez wykonywania jawnej z\u0142o\u015bliwej aktywno\u015bci.<\/p>\n<p>Zidentyfikowano dwa ataki. Kilka godzin po oficjalnym wydaniu nowej wersji pakietu npm purescript, kto\u015b wytworzy\u0142 now\u0105 wersj\u0119 zale\u017cno\u015bci load-from-cwd-or-npm 3.0.2, kt\u00f3rej zmiany spowodowa\u0142y, \u017ce wywo\u0142anie loadFromCwdOrNpm() zamiast listy wymaganych do instalacji plik\u00f3w binarnych zwraca\u0142o strumie\u0144 <noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/api\/stream.html#stream_class_stream_passthrough\">PassThrough<\/a><\/noindex>, kt\u00f3ry odzwierciedla\u0142 wej\u015bciowe zapytania jako warto\u015bci wyj\u015bciowe. <\/p>\n<p>Cztery dni po tym, jak deweloperzy zrozumieli \u017ar\u00f3d\u0142o awarii i przygotowywali si\u0119 do wypuszczenia aktualizacji w celu wykluczenia load-from-cwd-or-npm z zale\u017cno\u015bci, przest\u0119pcy wydali kolejn\u0105 aktualizacj\u0119 load-from-cwd-or-npm 3.0.4, w kt\u00f3rej usuni\u0119to z\u0142o\u015bliwy kod. Niemniej jednak prawie natychmiast wydano aktualizacj\u0119 innej zale\u017cno\u015bci rate-map 1.0.3, kt\u00f3ra wprowadzi\u0142a poprawk\u0119 blokuj\u0105c\u0105 wywo\u0142anie callback do \u0142adowania. Oznacza to, \u017ce w obu przypadkach zmiany w nowych wersjach load-from-cwd-or-npm i rate-map mia\u0142y charakter jawnej dywersji. Co wi\u0119cej, z\u0142o\u015bliwy kod zawiera\u0142 sprawdzenie, kt\u00f3re aktywowa\u0142o awaryjne dzia\u0142ania tylko podczas instalacji wydania od nowych opiekun\u00f3w i w \u017caden spos\u00f3b nie ujawnia\u0142o si\u0119 przy instalacji starszych wersji.<\/p>\n<p>Deweloperzy rozwi\u0105zali problem, wydaj\u0105c aktualizacj\u0119, w kt\u00f3rej problematyczne zale\u017cno\u015bci zosta\u0142y usuni\u0119te. Aby wykluczy\u0107 osiadanie skompromitowanego kodu na systemach u\u017cytkownik\u00f3w po pr\u00f3bie instalacji problematycznej wersji PureScript, zaleca si\u0119 usuni\u0119cie zawarto\u015bci katalog\u00f3w node_modules oraz plik\u00f3w package-lock.json, a nast\u0119pnie ustawienie jako dolnego limitu wersji purescript 0.13.2.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51093\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u043a npm-\u043f\u0430\u043a\u0435\u0442\u0443 \u0441 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0449\u0438\u043a\u043e\u043c PureScript \u0432\u044b\u044f\u0432\u043b\u0435\u043d \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u043a\u043e\u0434, \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0438\u0439\u0441\u044f \u043f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 purescript. \u0412\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u043a\u043e\u0434 \u0432\u0441\u0442\u0440\u043e\u0435\u043d \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 load-from-cwd-or-npm \u0438 rate-map. \u041f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0447\u0442\u043e \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435\u043c \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0441 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u044f\u043c\u0438 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u044b\u0439 \u0430\u0432\u0442\u043e\u0440 npm-\u043f\u0430\u043a\u0435\u0442\u0430 \u0441 \u0438\u043d\u0441\u0442\u0430\u043b\u043b\u044f\u0442\u043e\u0440\u043e\u043c PureScript, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u0438\u0445 \u043f\u043e\u0440 \u0437\u0430\u043d\u0438\u043c\u0430\u043b\u0441\u044f \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435\u043c \u0434\u0430\u043d\u043d\u043e\u0433\u043e npm-\u043f\u0430\u043a\u0435\u0442\u0430, \u043d\u043e \u043e\u043a\u043e\u043b\u043e \u043c\u0435\u0441\u044f\u0446\u0430 \u043d\u0430\u0437\u0430\u0434 \u043f\u0430\u043a\u0435\u0442 \u043f\u0435\u0440\u0435\u0448\u0451\u043b \u043a \u0434\u0440\u0443\u0433\u0438\u043c \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u043c. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36164","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u043a npm-\u043f\u0430\u043a\u0435\u0442\u0443 \u0441 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0449\u0438\u043a\u043e\u043c PureScript \u0432\u044b\u044f\u0432\u043b\u0435\u043d \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u043a\u043e\u0434, \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0438\u0439\u0441\u044f.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" 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